Montero was 6-for-12 (.500) with three RBI before going on the disabled list with a partial meniscus tear in his right knee on April 11. He underwent surgery to repair the tear on April 14.

The 26-year-old catcher batted .294/.355/.478 with 16 home runs and 59 RBI in 425 at-bats with the Diamondbacks last season, including a .316/.366/.534 batting line after the All-Star break. He entered the 2010 season as the clear starter behind the plate over Chris Snyder.